Population By Race and Ethnicity in Williamson County, IL in 2023

Updated on August 1, 2024.

Based on the US Census Vintage data estimates, in 2023, the 66,706 population of Williamson County, Illinois comprised of 2,004 people who identified as Hispanic (3%), and 64,702 people who identified as Non-Hispanic (97%).

Race: The White Alone population was the largest racial group in Williamson County, Illinois with a population of 60,464 (90.64%); Black or African American Alone population was the second largest racial group with a population of 3,494 (5.24%); and Two Or More Races was the third largest racial group with a population of 1,443 (2.16%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Williamson County, Illinois in 2023, with a population of 58,786 (88.13%); the second largest ethnic group was Black or African American Alone - Non Hispanic with a population of 3,373 (5.06%); and the third largest ethnic group was White Alone - Hispanic with a population of 1,678 (2.52%).

The charts and tables below shows the population and percentage of each racial and ethnicity group in Williamson, Illinois.

You can find similar information for other Illinois counties, and for Illinois.

See this for other years:
Hispanics and Non Hispanics in Williamson County, IL in 2023
Total Population:
Race in Williamson County, IL in 2023
Total Population:
Ethnicity in Williamson County, IL in 2023
Total Population:
Population By Race in Williamson , IL in 2023
Race Population Percentage
Black or African American Alone 3,494 5.24%
White Alone 60,464 90.64%
American Indian and Alaska Native Alone 327 0.49%
Asian Alone 958 1.44%
Native Hawaiian And Pacific Islander Alone 20 0.03%
Two Or More Races 1,443 2.16%
Population By Ethnicity in Williamson , IL in 2023
Ethnicity Population Percentage
Black or African American Alone - Hispanic 121 0.18%
White Alone - Hispanic 1,678 2.52%
American Indian and Alaska Native Alone - Hispanic 100 0.15%
Asian Alone - Hispanic 10 0.02%
Native Hawaiian And Pacific Islander Alone - Hispanic 4 0.01%
Two Or More Races - Hispanic 91 0.14%
Black or African American Alone - Non Hispanic 3,373 5.06%
White Alone - Non Hispanic 58,786 88.13%
American Indian and Alaska Native Alone - Non Hispanic 227 0.34%
Asian Alone - Non Hispanic 948 1.42%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 16 0.02%
Two Or More Races - Non Hispanic 1,352 2.03%